13499830 has 16 divisors (see below), whose sum is σ = 24663600. Its totient is φ = 5319072.

The previous prime is 13499803. The next prime is 13499831. The reversal of 13499830 is 3899431.

It is a self number, because there is not a number n which added to its sum of digits gives 13499830.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13499831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9405 + ... + 10744.

It is an arithmetic number, because the mean of its divisors is an integer number (1541475).

Almost surely, 2^13499830 is an apocalyptic number.

13499830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13499830 is a deficient number, since it is larger than the sum of its proper divisors (11163770).

13499830 is a wasteful number, since it uses less digits than its factorization.

13499830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20223.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 13499830 is about 3674.2114800321. The cubic root of 13499830 is about 238.1091583163.

The spelling of 13499830 in words is "thirteen million, four hundred ninety-nine thousand, eight hundred thirty".